Lazulite and Norbergite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.04-3.17
  
3.177
  
Fracture
Uneven, Uneven, Gemstones of the world (2001) More from other references
  
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
  
Cleavage
{001} Indistinct, {???} Indistinct
  
{???} Distinct
  
Mohs Hardness
5.5
  
6-6.5
  
Chemical Composition
(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references
  
Mg 3(SiO 4)(F,OH) 2Anthony et al , Handbook of Mineralogy (2001)
  
Lazulite and Norbergite Chemical Formula
While comparing Lazulite and Norbergite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Lazulite and Norbergite chemical formula.
- Chemical formula of Lazulite- (Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references
- Chemical formula of Norbergite- Mg 3(SiO 4)(F,OH) 2Anthony et al , Handbook of Mineralogy (2001)
Lazulite and Norbergite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Lazulite and Norbergite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Lazulite and Norbergite Optical Properties during the identification of gemstone. Specific gravity of Lazulite is 3.177 whereas that of Norbergite is 3.177.